51017375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{21481}}^1$

素因数の和:21515

約数の個数: 16

約数和(自身を含む): 67023840

約数和(自身を除く): 16006465

約数列:

[1, 5, 19, 25, 95, 125, 475, 2375, 21481, 107405, 408139, 537025, 2040695, 2685125, 10203475, 51017375]

約数ペア:

[(1, 51017375), (5, 10203475), (19, 2685125), (25, 2040695), (95, 537025), (125, 408139), (475, 107405), (2375, 21481)]